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comparison src/share/vm/utilities/ostream.cpp @ 2263:5841dc1964f0

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7021531: lock ordering problems after fix for 6354181 Reviewed-by: kvn, jrose
author never
date Tue, 22 Feb 2011 15:26:36 -0800
parents d8a72fbc4be7
children 29524004ce17
comparison
equal deleted inserted replaced
2262:6bbaedb03534 2263:5841dc1964f0
697 void ttyLocker::release_tty(intx holder) { 697 void ttyLocker::release_tty(intx holder) {
698 if (holder == defaultStream::NO_WRITER) return; 698 if (holder == defaultStream::NO_WRITER) return;
699 defaultStream::instance->release(holder); 699 defaultStream::instance->release(holder);
700 } 700 }
701 701
702 bool ttyLocker::release_tty_if_locked() {
703 intx thread_id = os::current_thread_id();
704 if (defaultStream::instance->writer() == thread_id) {
705 // release the lock and return true so callers know if was
706 // previously held.
707 release_tty(thread_id);
708 return true;
709 }
710 return false;
711 }
712
702 void ttyLocker::break_tty_lock_for_safepoint(intx holder) { 713 void ttyLocker::break_tty_lock_for_safepoint(intx holder) {
703 if (defaultStream::instance != NULL && 714 if (defaultStream::instance != NULL &&
704 defaultStream::instance->writer() == holder) { 715 defaultStream::instance->writer() == holder) {
705 if (xtty != NULL) { 716 if (xtty != NULL) {
706 xtty->print_cr("<!-- safepoint while printing -->"); 717 xtty->print_cr("<!-- safepoint while printing -->");